U.S. federal trademark · Serial No. 73063777 · Reg. No. 1042187
ELECTRONIC AUDIO/VISUAL DEVICE TO ASSIST IN THE LEARNING OF LANGUAGES AND OTHER SUBJECTS, COMPRISING LIGHTED DISPLAY PANELS, MICROPHONES, TAPE RECORDERS, PRE-RECORDED CASSETTE TAPES, MOVING PAPER TAPES, AND STUDENT-ACTIVATED SWITCHES, SOLD AS A UNIT
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